weird fishing rod behavior

when i used a fishing rod on a sheep, the bobber was glitchy

What I expected to happen was...:
to use the fishing rod on the sheep and the bobber to be normal

What actually happened was....
i used the fishing rod on the sheep and the bobber was glitchy

Steps to Reproduce:
1. get a fishing rod
2. use it on a sheep
3. bobber goes all glitchy